earth system

Question 1

system

Answer 1

Travelers must be pre-approved for the Global Entry program. All applicants undergo a rigorous background check and in-person interview before

Question 2

feedback

Answer 2

the process of returning part of the output of a circuit, system, or device to the input, either to oppose the input (negative feedback ) or to aid

Question 3

Model

Answer 3

A systematic description of an object or phenomenon that shares important characteristics with the object or phenomenon. Scientific models can be materia

Question 4

Biosphere

Answer 4

By the most general biophysiological definition, the biosphere is the global ecological system integrating all living beings and their relationships, including

Question 5

Ecosystem

Answer 5

· An ecosystem (or ecological system) consists of all the organisms and the physical environment with which they interact. These biotic and

Question 6

Biome

Answer 6

is a biogeographical unit consisting of a biological community that has formed in response to a shared regional climate.

Question 7

organism

Answer 7

‘instrument, implement, tool’, and is any organic, living system that functions

Question 8

population

Answer 8

Shows estimates of current USA Population overall and people by US state/county and of World Population overall, by country and most populated countries.

Question 9

biotic factor

Answer 9

is any living thing that has an effect on an ecosystem. Biotic means “pertaining to life.” A factor is something that influences another thing.

Question 10

abiotic factor

Answer 10

definition, a nonliving condition or thing, as climate or habitat, that influences or affects an ecosystem and the organisms in it: Abiotic

Question 11

community

Answer 11

Each level helps convey how much COVID-19 is impacting your community using data on hospitalizations and cases. Using these data, communities are classified a

Question 12

habitat

Answer 12

In ecology, the term habitat summarises the array of resources, physical and biotic factors that are present in an area, such as to support the survival and

Question 13

niche

Answer 13

In ecology, a niche is the match of a species to a specific environmental condition. It describes how an organism or population responds to the distribution

Question 14

biodiversity

Answer 14

a study published in Science estimated there to be 5 ± 3 million extant species on Earth. Another study, published in 2011 by PLoS Biology, estimated

Question 15

keystone species

Answer 15

is a species which has a disproportionately large effect on its natural environment relative to its abundance, a concept introduced in

Question 16

exponential growth

Answer 16

Exponential growth is a process that increases quantity over time. It occurs when the instantaneous rate of change (that is, the derivative) of a quantity

Question 17

logistic growth

Answer 17

The logistic function finds applications in a range of fields, including biology (especially ecology), biomathematics, chemistry, demography, economics, …

Question 18

carrying capacity

Answer 18

The carrying capacity of an environment is the maximum population size of a biological species that can be sustained by that specific environment,

Question 19

density dependent

Answer 19

n population ecology, density-dependent processes occur when population growth rates are regulated by the density of a population.

Question 20

density independent

Answer 20

In population ecology, density-dependent processes occur when population growth rates are regulated by the density of a population

Question 21

population density

Answer 21

Population density is a measurement of population per unit area, or exceptionally unit volume; it is a quantity of type number density.

Question 22

emigration

Answer 22

Emigration is the act of leaving a resident country or place of residence with the intent to settle elsewhere Conversely, immigration describes the movement

Question 23

disturbance

Answer 23

Not only invasive species can have a profound effect on an ecosystem, but also naturally occurring species can cause disturbance by their behavior. Disturbance